RENNtech ECU Upgrade | A 45 AMG | W176 | 428HP/417LB-FT | 2.0L Turbo | M133 mercedes-benz-gle-class--166---2016-2020--gle-63-amg-esr4679580 The maximum power number reached

The maximum power number reached with the RENNtech ECU Plus Upgrade for the R172 - SLC 43 AMG is 416 HP and 460 LB-FT

and greater stability at high speeds

All this while still maintaining the same approach angle as the OE front fascia so the RENNtech splitter retains the same clearance for parking stops and steep driveways

Rated by RENNtech (peak @crank):              731 HP @ 6

CLS 55 AMG Kompressor

RENNtech ECU Upgrade | A 45 AMG | W176 | 428HP/417LB-FT | 2.0L Turbo | M133 mercedes-benz-gle-class--166---2016-2020--gle-63-amg-esr4679580 The maximum power number reachedRENNtech ECU Upgrade for the 176 A 45 AMG. Up to 428HP and 417TQ. Gains: +73HP & +85TQ RENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal! Our proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few